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It’s fine today. The sun is in the sky. Mr Green and his family are in the park. Mr and Mrs Green are standing under the trees and looking at their children. Ann is flying a kite. The boy in a white shirt and blue trousers is her brother. He’s reading a book. Ann’s younger brother is too young. He can’t walk and run. He’s drinking milk. Ann’s sister isn’t in the park. She is at school.
1．Ann is reading a book.2．Ann’s brother is flying a kite.
3．Ann’s sister is a student.
4．Ann has two brothers.
5．There are five people in Ann’s family.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
